Masonry约束:Unable to simultaneously satisfy constraints.
约束条件问题:-(void)layoutSubviews中添加约束,-(void)touchSelectedButton:(UIButton*)sender中使用mas_updateConstraints来修改高度,修改无效,控制台提示:Unabletosimultaneouslysatisfyconstraints.控制台打印解决:删掉-(void)layoutSubviews里make.hei